Color Code Converter (HEX, RGB, HSL)
Convert between HEX, RGB, HSL, and CMYK color codes with a live visual swatch, native color picker, and WCAG accessibility contrast scores on black and…
How to Use the Color Code Converter (HEX, RGB, HSL)
- 1 Type any valid HEX code (#000000), RGB value (rgb(0, 0, 0)), or HSL string, or click the visual color picker.
- 2 Watch all color formats synchronize instantly.
- 3 Review WCAG 2.1 contrast ratios on white and black backgrounds to ensure accessibility compliance.
Methodology & Algorithmic Standards
Implements standard RGB-to-HSL and RGB-to-CMYK trigonometric and matrix algorithms, calculating relative luminance ($L = 0.2126R + 0.7152G + 0.0722B$) to report exact WCAG contrast ratios.
Frequently Asked Questions
What is WCAG 2.1 contrast ratio compliance? ▼
WCAG AA requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. The tool calculates this score in real time.
Can I copy any converted color format with one click? ▼
Yes. Each color space (HEX, RGB, HSL, CMYK) features an instant copy button.
Does this tool support CSS color strings? ▼
Yes! It accepts standard 3-digit and 6-digit hex codes, `rgb(...)`, and `hsl(...)` syntax.
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